Buggy code:
public class ConjunctiveFormula extends Term { public static final String SEPARATOR = "<seq2seq4repair_space>//\\<seq2seq4repair_space>" ; public static ConjunctiveFormula of ( TermContext context ) { } public static ConjunctiveFormula of ( ConjunctiveFormula formula ) { } public static ConjunctiveFormula of ( Substitution < Variable , Term > substitution , TermContext context ) { } public static ConjunctiveFormula of ( Substitution < Variable , Term > substitution , PersistentUniqueList < Equality > equalities , PersistentUniqueList < DisjunctiveFormula > disjunctions , TermContext context ) { } private final Substitution < Variable , Term > substitution ; private final PersistentUniqueList < Equality > equalities ; private final PersistentUniqueList < DisjunctiveFormula > disjunctions ; private final TruthValue truthValue ; private final transient TermContext context ; public ConjunctiveFormula ( Substitution < Variable , Term > substitution , PersistentUniqueList < Equality > equalities , PersistentUniqueList < DisjunctiveFormula > disjunctions , TruthValue truthValue , TermContext context ) { } public Substitution < Variable , Term > substitution ( ) { } public PersistentUniqueList < Equality > equalities ( ) { } public PersistentUniqueList < DisjunctiveFormula > disjunctions ( ) { } public TermContext termContext ( ) { } public ConjunctiveFormula addAll ( List < Term > condition ) { } public ConjunctiveFormula addAndSimplify ( Object term ) { } public ConjunctiveFormula add ( ConjunctiveFormula conjunction ) { } public ConjunctiveFormula add ( Substitution < Variable , Term > substitution ) { } public ConjunctiveFormula add ( Equality equality ) { } public ConjunctiveFormula add ( Term leftHandSide , Term rightHandSide ) { } public ConjunctiveFormula add ( DisjunctiveFormula disjunction ) { } @ SuppressWarnings ( "unchecked" ) public ConjunctiveFormula add ( Object term ) { } public ConjunctiveFormula addAll ( Iterable < ? extends Object > terms ) { } public TruthValue truthValue ( ) { } public boolean isTrue ( ) { } public boolean isFalse ( ) { } public boolean isUnknown ( ) { } public ConjunctiveFormula removeBindings ( Set < Variable > variablesToRemove ) { } public ConjunctiveFormula simplify ( ) { } public ConjunctiveFormula simplifyBeforePatternFolding ( ) { } public ConjunctiveFormula simplifyModuloPatternFolding ( ) { } public ConjunctiveFormula simplify ( boolean patternFolding , boolean partialSimplification ) { } private ConjunctiveFormula falsify ( Substitution < Variable , Term > substitution , PersistentUniqueList < Equality > equalities , PersistentUniqueList < DisjunctiveFormula > disjunctions ) { } public Substitution < Variable , Term > getSubstitution ( Variable variable , Term term ) { } public boolean isMatching ( Set < Variable > variables ) { } public boolean isSubstitution ( ) { } public ConjunctiveFormula orientSubstitution ( Set < Variable > variables ) { } public ConjunctiveFormula expandPatterns ( boolean narrowing ) { } public DisjunctiveFormula getDisjunctiveNormalForm ( ) { } public boolean checkUnsat ( ) { } public boolean implies ( ConjunctiveFormula constraint , Set < Variable > rightOnlyVariables ) { } private ConjunctiveFormula simplifyConstraint ( ConjunctiveFormula constraint ) { } private static boolean impliesSMT ( ConjunctiveFormula left , ConjunctiveFormula right , Set < Variable > rightOnlyVariables ) { } public boolean hasMapEqualities ( ) { for ( Equality equality : equalities ) { <START_BUG> if ( ( ( equality . leftHandSide ( ) ) instanceof BuiltinMap ) && ( ( equality . rightHandSide ( ) ) instanceof BuiltinMap ) ) { <END_BUG> return true ; } } return false ; } @ Override public boolean isExactSort ( ) { } @ Override public boolean isSymbolic ( ) { } @ Override public Sort sort ( ) { } @ Override protected boolean computeMutability ( ) { } @ Override protected int computeHash ( ) { } @ Override public boolean equals ( Object object ) { } @ Override public void accept ( Visitor visitor ) { } @ Override public ASTNode accept ( Transformer transformer ) { } @ Override public void accept ( Matcher matcher , Term pattern ) { } @ Override public void accept ( Unifier unifier , Term pattern ) { } }

Fix:
if ( ( ( equality . leftHandSide ( ) ) instanceof BuiltinMap ) || ( ( equality . rightHandSide ( ) ) instanceof BuiltinMap ) ) {